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The Invention of the track circuit : the history of Dr. William Robinson's invention of the track circuit, the fundamental unit which made possible our present automatic block signaling and interlocking systems (1922)

Publisher: New York : Signal Section, American Railway Association
Possible copyright status: NOT_IN_COPYRIGHT
Language: English
Call number: nrlf_ucb:GLAD-256479
Digitizing sponsor: MSN
Book contributor: University of California Libraries
Collection: cdl; americana

Full catalog record: MARCXML

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